EXCITATION SPECTRUM OF A SUPERCONDUCTING SPHERE IN A SUPERCONDUCTING HOST - EFFECTS OF PHASE FLUCTUATIONS

被引：0
|
作者：
HUI, PM [1 ]
STROUD, D [1 ]
机构：
[1] OHIO STATE UNIV,DEPT PHYS,COLUMBUS,OH 43210
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.43.6139
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We consider the excitation spectrum of a superconducting sphere embedded in a superconducting host. The sphere and host are assumed to have order parameters of the same magnitude, but different phases. For finite phase differences, we show that there exist states with energies below the superconducting gap. The energies of these states are studied as a function of the size of the superconducting sphere. We consider implications of these results for optical studies in high-temperature superconductors.
引用
收藏
页码：6139 / 6142
页数：4
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